/*
 * This file is part of the Try! Engine project.
 *
 * Copyright 2010-2011 Emanuele Bertoldi. All rights reserved.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the modified BSD License along with this
 * program. If not, see <http://www.opensource.org/licenses/bsd-license.php>
 */

#include "aimanager.h"

using namespace Try;

AiManager::AiManager()
{
}

AiManager::~AiManager()
{
}

AgentList AiManager::agents() const
{
    return m_agents;
}

int AiManager::agentCount() const
{
    return m_agents.size();
}

int AiManager::registerAgent(Agent* agent)
{
    if (agent == 0)
        return -1;

    for (int i=0; i<this->agentCount(); i++)
    {
        Agent* a = m_agents.at(i);
        if (a == agent)
            return i;
    }

    m_agents.push_back(agent);

    return m_agents.size()-1;
}

void AiManager::unregisterAgent(Agent* agent)
{
    if (agent == 0)
        return;

    for (int i=this->agentCount()-1; i>0; i--)
    {
        Agent* a = m_agents.at(i);
        if (a == agent)
            m_agents.erase(m_agents.begin()+i);
    }
}

void AiManager::unregisterAgent(int index)
{
    if (index >= this->agentCount())
        return;

    m_agents.erase(m_agents.begin()+index);
}

void AiManager::simulateOneStep(float dt)
{
    for (int i=0; i<this->agentCount(); i++)
    {
        Agent* agent = m_agents.at(i);
        if (agent)
            agent->think(dt);
    }
}
